User Guide

Internal earpiece

Internal earpiece is used for the HandPortable (HP) call mode. A dynamic 4.8 x 10 mm earpiece capsule is

connected to Avilma ASIC’s differential output EarP and EarN.

Internal speakers

Internal speaker is used for Internal HandsFree (IHF) call mode, video call, ringing tones, FM radio and music

listening. Dynamic 11x15mm speaker is connected to Avilma ASIC’s outputs HFSpP and HFSpN.

Vibra circuitry

Vibra is used for the vibra alarm function.

The vibra motor is connected to the Avilma ASIC VibraP and VibraN Pulse Width Modulated (PWM) outputs.

RM-437; RM-449; RM-450

System Module and User Interface

Issue 1 COMPANY CONFIDENTIAL Page 6 –23